Companion notes
Lesson summary
This AZ-900 lesson explains the benefits learners must recognize in scenarios: high availability, scalability, elasticity, reliability, predictability, security, governance, manageability, and consumption-based pricing.
Key ideas
- Scalability and elasticity describe how resources adapt to demand.
- High availability and reliability focus on keeping services usable despite failures.
- Consumption-based pricing connects cost to usage.
- AZ-900 questions often describe a business need and ask which cloud benefit best matches it.